Data as of Nov 9, 2026
168.100.146.0/23
No anonymizer space · no proxy exits in 30 daysAhrefs Pte Ltd
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 168.100.144.0/20 since Nov 2020 | AS140577 | Business | 4 | Ahrefs Pte Ltd |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 168.100.128.0/19 | 8,192 | AHREFS-SG | Ahrefs Pte Ltd (ORG-APL63-AP) · SG | ALLOCATED PORTABLE | — | network-abuse@ |
| └ 168.100.144.0/20 | 4,096 | AHREFS-US | Ahrefs USA | ASSIGNED NON-PORTABLE | — | network-abuse@ |
Network & registry
Registry
Holder
- Organization
- Ahrefs Pte Ltd
- Handle
- ORG-APL63-AP
- Range
- 168.
100. 128. 0/ 19 - Registration type
- ALLOCATED PORTABLE
Origin network
AS140577
SG
- Name
- Ahrefs Pte Ltd
- Type
- Business
- Registered
- Apr 16, 2020
- Domain
- ahrefs.com
- Website
- ahrefs.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2026
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 168.100.146.0/23 | AS140577 | /23 | APNIC | RPKI valid |
| 168.100.144.0/20 | AS140577 | /20 | APNIC | Too specific |
| 168.100.128.0/19 | AS140577 | /19 | APNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS140577 | APNIC | Ahrefs Pte Ltd | MAINT-AHREFS-SG | May 6, 2026 |
Whois
Registration for this announcement
- Range
- 168.
100. 144. 0/ 20 - Netname
- AHREFS-US
- Registrant
- Ahrefs USA
- Registrant country
- US
- Organization
- Ahrefs USA
- Org country
- US
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Feb 28, 2025
- Maintainer
- MAINT-AHREFS-SG
- RIR
- APNIC
- Country
- SG
- Delegated
- Mar 7, 1994
- Status
- assigned
Report abuse
Abuse contact
- network-abuse@
ahrefs. com - Name
- ABUSE AHREFSUS
- Handle
- AA2888-AP